20101222222202 has 16 divisors (see below), whose sum is σ = 34323035573952. Its totient is φ = 8739661835520.

The previous prime is 20101222222181. The next prime is 20101222222231. The reversal of 20101222222202 is 20222222210102.

It is a super-2 number, since 2×20101222222202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19862867303 + ... + 19862868314.

It is an arithmetic number, because the mean of its divisors is an integer number (2145189723372).

Almost surely, 2^{20101222222202} is an apocalyptic number.

20101222222202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20101222222202 is a deficient number, since it is larger than the sum of its proper divisors (14221813351750).

20101222222202 is a wasteful number, since it uses less digits than its factorization.

20101222222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39725735653.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20101222222202 its reverse (20222222210102), we get a palindrome (40323444432304).

It can be divided in two parts, 2010122 and 2222202, that added together give a palindrome (4232324).

The spelling of 20101222222202 in words is "twenty trillion, one hundred one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred two".